Electronic cigarette



FIG. 1 is a perspective view of an electronic cigarette.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a top view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a first side view thereof; and,

FIG. 7 is a second side view thereof. 

CLAIM I claim the ornamental design for an electronic cigarette, as shown and described. 